
I WONDER - What Is A Fluorescent Lightbulb?
Interactive Video
•
Physics, Science
•
KG - 6th Grade
•
Hard
Wayground Content
FREE Resource
The video explains how gas mixtures, typically containing mercury vapor, emit ultraviolet light when excited by an electric current. This ultraviolet light then excites a phosphor coating inside the bulb, producing visible light. These bulbs are more energy-efficient than incandescent bulbs but contain mercury, a toxic element.
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3 mins • 1 pt
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